clk: rockchip: fix up the clock controller for rk3328

[firefly-linux-kernel-4.4.55.git] / include / drm / drm_crtc.h

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index fe202ef8f82116dec513f979a15fb67a6bee7deb..f525cb578b08f4901d457d5de4ee11abfc645524 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -391,6 +391,32 @@ struct drm_crtc_funcs {
                                   const struct drm_crtc_state *state,
                                   struct drm_property *property,
                                   uint64_t *val);
+
+       /**
+        * @late_register:
+        *
+        * This optional hook can be used to register additional userspace
+        * interfaces attached to the crtc like debugfs interfaces.
+        * It is called late in the driver load sequence from drm_dev_register().
+        * Everything added from this callback should be unregistered in
+        * the early_unregister callback.
+        *
+        * Returns:
+        *
+        * 0 on success, or a negative error code on failure.
+        */
+       int (*late_register)(struct drm_crtc *crtc);
+
+       /**
+        * @early_unregister:
+        *
+        * This optional hook should be used to unregister the additional
+        * userspace interfaces attached to the crtc from
+        * late_unregister(). It is called from drm_dev_unregister(),
+        * early in the driver unload sequence to disable userspace access
+        * before data structures are torndown.
+        */
+       void (*early_unregister)(struct drm_crtc *crtc);
 };
 
 /**
@@ -532,6 +558,34 @@ struct drm_connector_funcs {
        int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
        int (*set_property)(struct drm_connector *connector, struct drm_property *property,
                             uint64_t val);
+
+       /**
+        * @late_register:
+        *
+        * This optional hook can be used to register additional userspace
+        * interfaces attached to the connector, light backlight control, i2c,
+        * DP aux or similar interfaces. It is called late in the driver load
+        * sequence from drm_connector_register() when registering all the
+        * core drm connector interfaces. Everything added from this callback
+        * should be unregistered in the early_unregister callback.
+        *
+        * Returns:
+        *
+        * 0 on success, or a negative error code on failure.
+        */
+       int (*late_register)(struct drm_connector *connector);
+
+       /**
+        * @early_unregister:
+        *
+        * This optional hook should be used to unregister the additional
+        * userspace interfaces attached to the connector from
+        * late_unregister(). It is called from drm_connector_unregister(),
+        * early in the driver unload sequence to disable userspace access
+        * before data structures are torndown.
+        */
+       void (*early_unregister)(struct drm_connector *connector);
+
        void (*destroy)(struct drm_connector *connector);
        void (*force)(struct drm_connector *connector);
 
@@ -559,6 +613,32 @@ struct drm_connector_funcs {
 struct drm_encoder_funcs {
        void (*reset)(struct drm_encoder *encoder);
        void (*destroy)(struct drm_encoder *encoder);
+
+       /**
+        * @late_register:
+        *
+        * This optional hook can be used to register additional userspace
+        * interfaces attached to the encoder like debugfs interfaces.
+        * It is called late in the driver load sequence from drm_dev_register().
+        * Everything added from this callback should be unregistered in
+        * the early_unregister callback.
+        *
+        * Returns:
+        *
+        * 0 on success, or a negative error code on failure.
+        */
+       int (*late_register)(struct drm_encoder *encoder);
+
+       /**
+        * @early_unregister:
+        *
+        * This optional hook should be used to unregister the additional
+        * userspace interfaces attached to the encoder from
+        * late_unregister(). It is called from drm_dev_unregister(),
+        * early in the driver unload sequence to disable userspace access
+        * before data structures are torndown.
+        */
+       void (*early_unregister)(struct drm_encoder *encoder);
 };
 
 #define DRM_CONNECTOR_MAX_ENCODER 3
@@ -819,6 +899,31 @@ struct drm_plane_funcs {
                                   const struct drm_plane_state *state,
                                   struct drm_property *property,
                                   uint64_t *val);
+       /**
+        * @late_register:
+        *
+        * This optional hook can be used to register additional userspace
+        * interfaces attached to the plane like debugfs interfaces.
+        * It is called late in the driver load sequence from drm_dev_register().
+        * Everything added from this callback should be unregistered in
+        * the early_unregister callback.
+        *
+        * Returns:
+        *
+        * 0 on success, or a negative error code on failure.
+        */
+       int (*late_register)(struct drm_plane *plane);
+
+       /**
+        * @early_unregister:
+        *
+        * This optional hook should be used to unregister the additional
+        * userspace interfaces attached to the plane from
+        * late_unregister(). It is called from drm_dev_unregister(),
+        * early in the driver unload sequence to disable userspace access
+        * before data structures are torndown.
+        */
+       void (*early_unregister)(struct drm_plane *plane);
 };
 
 enum drm_plane_type {
@@ -1227,8 +1332,10 @@ void drm_connector_unregister(struct drm_connector *connector);
 
 extern void drm_connector_cleanup(struct drm_connector *connector);
 extern unsigned int drm_connector_index(struct drm_connector *connector);
-/* helper to unplug all connectors from sysfs for device */
-extern void drm_connector_unplug_all(struct drm_device *dev);
+
+/* helpers to {un}register all connectors from sysfs for device */
+extern int drm_connector_register_all(struct drm_device *dev);
+extern void drm_connector_unregister_all(struct drm_device *dev);
 
 extern int drm_bridge_add(struct drm_bridge *bridge);
 extern void drm_bridge_remove(struct drm_bridge *bridge);